Mang_wek_7, computer science homework help

Mang_wek_7, computer science homework help

2.What does the fact that you had to write a query to update the emp_years field tell you about the advisability of maintaining a table column to track the number of years employed?  Does it make sense to maintain a table column for this type of information?

3.Define and explain Views and their use in the SQL environment?  Explain how the use of a view can provide data security and integrity.  Explain any drawbacks to using views in a database environment.

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